"The Killing" finale recap: "What I know"

Spoilers for the season finale of "The Killing" below. Don't click through if you don't want to know.

"The Killing" recap: Can I have my backpack back, please?

Spoilers for this week's episode of "The Killing" below. Don't click through if you don't want to know.

OK, "The Killing" -- you get one more shot

Like many people who watched the first season of AMC's mystery drama "The Killing," which returns for its second season on Sunday, I have a complicated relationship with the series.